//
//  GMImageScrollView.m
//  mastergolf
//
//  Created by GL on 15/6/10.
//  Copyright (c) 2015年 Master. All rights reserved.
//

#import "GMImageScrollView.h"

@interface GMImageScrollView()

-(void)initLogic:(NSArray *)array;

@end

@implementation GMImageScrollView

-(UIScrollView *)initWithImagesURLArray:(NSArray *)imageURL
{
    self=[super initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].applicationFrame.size.width, [UIScreen mainScreen].applicationFrame.size.height)];
    if(self){
        [self setScreenValue];
        [self initLogicWithImageURL:imageURL];
        
        self.delegate=self;
        self.pagingEnabled=YES;
    }
    return self;
}

-(void)initLogicWithImageURL:(NSArray *)arrayURL
{
    
}

/* 初始化 */
//多图浏览
-(UIScrollView *)initWithImagesArray:(NSArray *)imagesArray{
    self=[super initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].applicationFrame.size.width, [UIScreen mainScreen].applicationFrame.size.height)];
    if(self){
        [self setScreenValue];
        [self initLogic:imagesArray];
        
        self.delegate=self;
        self.pagingEnabled=YES;
    }
    return self;
}

-(void)setScreenValue{
    self.screenWidth=[UIScreen mainScreen].bounds.size.width;
    self.screenAppHight=[UIScreen mainScreen].applicationFrame.size.height;
}

/* 胶合逻辑 */
-(void)initLogic:(NSArray *)array{
    self.imagesArray=array;
    
    if(self.imagesArray.count==1){//单图预览
        VIPhotoView *imagePreview=[[VIPhotoView alloc]initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].applicationFrame.size.width, [UIScreen mainScreen].applicationFrame.size.height) andImage:[self.imagesArray objectAtIndex:0]];
        
        self.contentSize=imagePreview.bounds.size;
        [self addSubview:imagePreview];
        
    }else{//多图预览
        if(self.imagesArray.count==0){//如果为空，则退出图片预览效果
            return;
        }
        
        [self multiImagesPreview];
    }
}

/*
 wjg,20150609:
 此方法是：有多少图就立马创建多少个scrollview并且同时把图加载到内存。
 未来应该优化次方法，使用lazyload以及复用object方式
 */
-(void)multiImagesPreview{
    for(NSInteger i=0;i<self.imagesArray.count;i++){
        
        //        SingleImageView *objectName=[[SingleImageView alloc] initWithImage:self.imagesArray[i]];
        //        objectName.tag=i;//标记不同的view
        //        objectName.frame=CGRectMake(self.screenWidth * i, 0, self.screenWidth, self.screenAppHight);
        //
        //        [self addSubview:objectName];
        VIPhotoView *objectName=[[VIPhotoView alloc] initWithFrame:CGRectMake(self.screenWidth * i, 0, self.screenWidth, self.screenAppHight) andImage:[self.imagesArray objectAtIndex:i]];
        objectName.tag=i;
        [self addSubview:objectName];
    }
    
    self.contentSize=CGSizeMake(self.imagesArray.count * self.screenWidth, self.screenAppHight);
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end
